Vaccines

https://www.sciencemag.org/news/2014/04/measles-outbreak-traced-fully-vaccinated-patient-first-time
Measles Outbreak Traced to Fully Vaccinated Patient for First Time
By Nsikan Akpan
Apr. 11, 2014 , 12:00 PM
Get the measles vaccine, and you won’t get the measles—or give it to anyone...

https://www.cbc.ca/beta/news/world/measles-vaccination-south-sudan-1.4142735
Reused syringe, lack of refrigeration blamed for deaths of 15 children after vaccinations in South Sudan
Same syringe used throughout 4-day campaign, measles vaccine not refrigerated
The Associated...

16 Confirmed Mumps Cases in Harvard Community
March 24, 2016
Sixteen mumps cases have been confirmed among Harvard University students in Cambridge since Feb. 29. All students were fully immunized against the mumps prior to contracting the disease.
A measles-mumps-rubella (MMR) vaccine...